DAAM: Fakitale ya Diacetone Acrylamide

Diacetone Acrylamide (DAAM) ndi monoma yosunthika yomwe imagwiritsidwa ntchito m'njira zosiyanasiyana zopangira ma polymerization kuti ipange utomoni, zokutira, zomatira, ndi zinthu zina zomwe zimafunikira kukhazikika kwamafuta, kukana madzi, komanso zomatira. DAAM imadziwika chifukwa cha kapangidwe kake kapadera kamankhwala komanso kuthekera kolumikizana ndi zinthu zina, monga adipic dihydrazide (ADH), zomwe zimapangitsa kuti zinthu zizigwira ntchito bwino kwambiri.

Malingaliro a kampani Chemical Properties of DAAM

  • Dzina la IUPAC:N-(1,1-Dimethyl-3-oxo-butyl)acrylamide
  • Chemical formula:C9H15NO2
  • Kulemera kwa Molecular:169.22 g / mol
  • Nambala ya CAS:2873-97-4
  • Maonekedwe:White crystalline olimba kapena ufa
  • Kusungunuka:Kusungunuka m'madzi, ethanol, ndi zosungunulira zina za polar
  • Melting Point:53°C mpaka 55°C

Magulu Ogwira Ntchito Ofunikira

  1. Gulu la Acrylamide:Zimathandizira ku polymerizability kudzera pamachitidwe aulere.
  2. Gulu la Ketone:Amapereka malo osinthika olumikizirana ndi zinthu monga ma hydrazines.

Chithunzi cha DAAM

DAAM imapangidwa ndi momwe mowa wa diacetone ndi acrylonitrile, wotsatiridwa ndi chothandizira cha hydrogenation kapena hydrolysis sitepe kuti adziwe gulu la amide. Njira yopangira imatsimikizira kuti chinthu choyera kwambiri chiyenera kugwiritsidwa ntchito m'mafakitale.

Zomwe Mungachite:

  1. Mowa wa Diacetone + Acrylonitrile → Intermediary Compound
  2. Hydrogenation kapena Hydrolysis → Diacetone Acrylamide

Mapulogalamu a DAAM

1. Zomatira

  • Udindo wa DAAM:Imakulitsa zomangira zomangira polimbikitsa kulumikizana ndi kukhazikika kwamafuta.
  • Chitsanzo:Zomatira zokhala ndi mphamvu zolimba komanso kulimba kwa peel.

2. Zopaka za Madzi

  • Udindo wa DAAM:Amagwira ntchito ngati wopangira mafilimu omwe amapereka kukana kwamadzi bwino komanso kusinthasintha.
  • Chitsanzo:Zojambula zokongoletsera ndi mafakitale kuti ziwonongeke komanso kusavala.

3. Zida Zomaliza Zovala

  • Udindo wa DAAM:Amapereka zomaliza zokhazikika zosindikizira komanso zotsutsana ndi makwinya.
  • Chitsanzo:Gwiritsani ntchito muzomaliza zopanda chitsulo pansalu.

4. Ma Hydrogels ndi Biomedical Applications

  • Udindo wa DAAM:Imathandizira kupanga ma hydrogel a biocompatible.
  • Chitsanzo:Njira zoyendetsera zoperekera mankhwala.

5. Mapepala ndi Kupaka

  • Udindo wa DAAM:Amapereka mphamvu zowonjezera komanso zolepheretsa chinyezi.
  • Chitsanzo:Zopaka zapadera zamapepala zopangira zakudya ndi zakumwa.

6. Zosindikizira

  • Udindo wa DAAM:Imawongolera kusinthasintha ndi kukana kusweka pansi pa kupsinjika.
  • Chitsanzo:Zosindikizira zosinthidwa za silicone zomangira ndi magalimoto.

Ubwino Wogwiritsa Ntchito DAAM

  1. Luso Losiyanasiyana Lophatikizana:Amapanga maukonde amphamvu okhala ndi ma hydrazide-based cross-linkers ngati ADH.
  2. Kutentha Kwambiri:Amatsimikizira kukhulupirika pansi pa kutentha kwambiri.
  3. Kulimbana ndi Chinyezi:Amapanga mafilimu ndi zomangira zopanda madzi.
  4. Kawopsedwe Wochepa:Otetezeka kugwiritsa ntchito poyerekeza ndi ma monomers ena.
  5. Kugwirizana Kwambiri:Imagwira ntchito ndi njira zosiyanasiyana zama polymerization, kuphatikiza emulsion, kuyimitsidwa, ndi njira zothetsera.

Kugwirizana ndi Adipic Dihydrazide (ADH)

Kuphatikiza kwa DAAM ndi ADH kumagwiritsidwa ntchito kwambiri pamakina ophatikizika a polima. Zomwe zimachitika pakati pa gulu la ketone la DAAM ndi gulu la hydrazide mu ADH zimapangitsa kuti pakhale mgwirizano wokhazikika wa hydrazone, womwe umathandiza:

  • Mphamvu zamakina zowonjezera.
  • Kukana kwapamwamba kwa kutentha.
  • Kusinthasintha kogwirizana kutengera zomwe mukufuna.

Reaction Mechanism:

  1. Kuyanjana kwa Ketone-Hydrazide:DAAM + ADH → Hydrazone Bond
  2. Mapulogalamu:Zovala zokhala ndi madzi za polyurethane, zida zodzichiritsa zokha, ndi zina zambiri.

Market Insights ndi Trends

Global Demand

Msika wa DAAM wawona kukula kwakukulu chifukwa chakuchulukirachulukira kogwiritsa ntchito zachilengedwe, zopangira madzi komanso makina apamwamba a polima. Makampani monga magalimoto, zomangamanga, ndi zamagetsi zimayendetsa kufunikira kwa mayankho a DAAM.

Zatsopano

Kupititsa patsogolo kwaposachedwa kumayang'ana pa:

  1. Njira Zina Zotengera Zachilengedwe:Kaphatikizidwe ka DAAM kuchokera kuzinthu zongowonjezwdwa.
  2. Zopaka Zochita Kwambiri:Kuphatikizika kwa nanocomposite machitidwe kuti apititse patsogolo katundu.
  3. Katundu Wokhazikika:Gwiritsani ntchito zosakaniza za polima za biodegradable.

Kugwira ndi Kusunga

  • Chitetezo:Pewani kutulutsa mpweya kapena kukhudza khungu; gwiritsani ntchito zida zoyenera zodzitetezera (PPE).
  • Zosungirako:Sungani pamalo ozizira, owuma, ndi mpweya wabwino; pewani kukhudzana ndi chinyezi ndi kutentha.
  • Shelf Life:Imakhala yokhazikika kwa miyezi 24 pamikhalidwe yovomerezeka.

Diacetone Acrylamide (DAAM) ndiwofunikira kwambiri mu sayansi yamakono, yopereka zinthu zapadera zomwe zimapangitsa kuti ikhale yofunikira pakugwiritsa ntchito kwambiri. Kuchokera ku luso lake lotha kulumikiza zinthu zosiyanasiyana mpaka ku mawonekedwe ake ogwiritsira ntchito, DAAM ikupitiriza kugwira ntchito yofunika kwambiri pakupititsa patsogolo zomatira, zokutira, ndi ma polima. Kugwirizana kwake ndi matekinoloje okhazikika omwe akungobwera kumene kumayiyika ngati gawo lofunikira pazatsopano zamtsogolo.

Nthawi yotumiza: Dec-15-2024